81277814

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{179}}^1\times {\mathrm{9871}}^1$

素因数の和:10075

約数の個数: 16

約数和(自身を含む): 127941120

約数和(自身を除く): 46663306

約数列:

[1, 2, 23, 46, 179, 358, 4117, 8234, 9871, 19742, 227033, 454066, 1766909, 3533818, 40638907, 81277814]

約数ペア:

[(1, 81277814), (2, 40638907), (23, 3533818), (46, 1766909), (179, 454066), (358, 227033), (4117, 19742), (8234, 9871)]